King Saud University seeks to become a leader in educational and technological innovation, scientific discovery and creativity through fostering an atmosphere of intellectual inspiration and partnership for the prosperity of society.

Nominations for Gold Star

Gold Star contributions are high quality inquiry-based activities that follow the PhET design guidelines (PDF) and that teachers find useful.

Reason for nomination

Comments

What do you think about this activity? How did you use it or change it for your class? Professionally constructive comments welcome.

This has some very good questions that enable students to reflect on their experiment. I think less direction could improve the lesson.
1/22/11Trish Loeblein

Well thought out, accurate, nice investigation. I changed very slightly to make it more a discovery than confirmation activity, but his material is excellent in approach, and introduces the most important concepts. 3/3/12Mark Skinner